Results: 1 - 5 of 5
Oct 31, 1993
Open File Report
… … The Jurassic/Cretaceous boundary in a well is … the nature of the Jurassic/Cretaceous boundary and includes … and Dolby, G. (1993): Jurassic/Cretaceous boundary in west central …
Apr 13, 2008
Special Report
… depleted gas reservoirs in the Cretaceous Lower Mannville Group. … long before it may reach the sub-Cretaceous unconformity. Even there, thick overlying Cretaceous shales will impede any …
Nov 30, 1968
Open File Report
… the Hamilton Lake sand of the Cretaceous Viking Formation. The … Sandstone, a member of the Cretaceous Bearpaw Formation. The …
Dec 31, 1961
Earth Sciences Report
… nearly flat lying rocks of Late Cretaceous age covered by … of variable thickness. The Cretaceous succession consists of …
Dec 31, 1970
Earth Sciences Report
… lenses within the Upper Cretaceous Dunvegan Formation, the …